:root {
  --bg: #0a1a33;
  --bg-deep: #071328;
  --surface: #10284a;
  --surface-2: #153359;
  --line: rgba(150, 172, 196, 0.16);
  --text: #f0f4f8;
  --muted: #96acc4;
  --faint: #5f7a99;
  --accent: #2ec4b6;
  --accent-soft: rgba(46, 196, 182, 0.14);
  --live: #ff6b5a;

  --font: "Golos Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Unbounded", "Golos Text", system-ui, sans-serif;

  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 10px;
  --gutter: 16px;
  --tabbar-h: 64px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 400 15px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: var(--accent); text-decoration: none; }
h1, h2, h3, p { margin: 0; }

.screen {
  padding: 0 var(--gutter) calc(var(--tabbar-h) + 28px + env(safe-area-inset-bottom));
  animation: fade 0.35s var(--ease);
}
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.loading { padding: 40vh 0 0; text-align: center; color: var(--muted); }

/* --- демо-панель --- */
.demo-bar {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 6px; align-items: center; overflow-x: auto;
  padding: 8px var(--gutter);
  background: rgba(7, 19, 40, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  font-size: 12px; color: var(--muted);
}
.demo-bar b { color: var(--accent); font-weight: 600; margin-right: 4px; white-space: nowrap; }
.demo-bar button {
  padding: 4px 10px; border-radius: 99px; border: 1px solid var(--line); white-space: nowrap;
}
.demo-bar button.is-on { background: var(--accent); color: var(--bg-deep); border-color: var(--accent); }

/* --- шапка --- */
.hero {
  position: relative; overflow: hidden;
  margin: 0 calc(var(--gutter) * -1);
  padding: 34px var(--gutter) 26px;
  background: radial-gradient(120% 90% at 100% 0%, #17406b 0%, var(--bg) 60%);
}
.hero-orbits { position: absolute; right: -70px; top: -50px; width: 260px; height: 260px; opacity: 0.85; }
.hero-kicker { font: 600 13px/1 var(--font); letter-spacing: 0.32em; color: var(--muted); }
.hero-title { font: 700 52px/1 var(--font-display); letter-spacing: -0.01em; margin-top: 10px; }
.hero-sub { margin-top: 12px; color: var(--muted); max-width: 30ch; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 99px;
  background: rgba(16, 40, 74, 0.7); border: 1px solid var(--line);
  font-size: 13px;
}
.chip svg { width: 14px; height: 14px; stroke: var(--accent); fill: none; stroke-width: 2; }

/* --- общие блоки --- */
.section { margin-top: 26px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.section-title { font: 600 13px/1 var(--font); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.link-more { font-size: 14px; font-weight: 500; }
.page-title { font: 700 26px/1.15 var(--font-display); padding: 28px 0 6px; }
.page-lead { color: var(--muted); margin-bottom: 18px; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 16px;
}
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 14px 16px; border-radius: var(--r-md);
  background: var(--accent); color: var(--bg-deep); font-weight: 600;
  transition: transform 0.15s var(--ease), filter 0.15s;
}
.btn:active { transform: scale(0.98); filter: brightness(0.92); }
.btn-ghost { background: var(--surface-2); color: var(--text); }
.btn-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* --- отсчёт --- */
.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.count-cell { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 4px 10px; text-align: center; }
.count-num { font: 700 28px/1 var(--font-display); font-variant-numeric: tabular-nums; }
.count-label { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* --- объявление --- */
.announce { position: relative; padding-left: 18px; }
.announce::before { content: ""; position: absolute; left: 0; top: 16px; bottom: 16px; width: 3px; border-radius: 3px; background: var(--accent); }
.announce-text { white-space: pre-line; }
.announce-date { margin-top: 8px; font-size: 12px; color: var(--faint); }

/* --- сейчас / далее --- */
.now {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #165a6a 0%, var(--surface) 70%);
  border: 1px solid rgba(46, 196, 182, 0.35); border-radius: var(--r-lg);
  padding: 18px;
}
.live-dot { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text); }
.live-dot::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--live); box-shadow: 0 0 0 0 rgba(255, 107, 90, 0.6); animation: pulse 1.6s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(255, 107, 90, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 107, 90, 0); } }
.now-title { font: 600 21px/1.25 var(--font); margin-top: 12px; }
.now-meta { color: var(--muted); margin-top: 6px; font-size: 14px; }
.progress { height: 4px; border-radius: 4px; background: rgba(240, 244, 248, 0.12); margin-top: 16px; overflow: hidden; }
.progress > i { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.next { display: flex; gap: 14px; align-items: center; margin-top: 10px; }
.next-time { font: 700 17px/1 var(--font-display); color: var(--accent); min-width: 58px; }

/* --- программа --- */
.timeline { position: relative; }
.slot { display: grid; grid-template-columns: 58px 1fr; gap: 12px; position: relative; }
.slot + .slot { margin-top: 10px; }
.slot-time { padding-top: 15px; font: 600 15px/1 var(--font); font-variant-numeric: tabular-nums; }
.slot-time small { display: block; margin-top: 5px; font-size: 12px; font-weight: 400; color: var(--faint); }
.slot-card { text-align: left; width: 100%; transition: border-color 0.2s, background 0.2s; }
.slot-card[data-toggle] { cursor: pointer; }
.slot-card.is-service { background: transparent; border-style: dashed; }
.slot-card.is-service .slot-title { font-weight: 500; color: var(--muted); }
.slot-title { font-weight: 600; font-size: 16px; line-height: 1.3; }
.slot-place { color: var(--muted); font-size: 13px; margin-top: 4px; }
.slot-desc { color: var(--muted); margin-top: 10px; display: none; }
.slot.is-open .slot-desc { display: block; }
.slot.is-past { opacity: 0.45; }
.slot.is-now .slot-card { border-color: var(--accent); background: var(--surface-2); }
.slot.is-now .slot-time { color: var(--accent); }
.faces { display: flex; align-items: center; margin-top: 12px; }
.faces .avatar { width: 30px; height: 30px; font-size: 12px; border: 2px solid var(--surface); }
.faces .avatar + .avatar { margin-left: -8px; }
.faces-names { margin-left: 10px; font-size: 13px; color: var(--muted); }

/* --- спикеры --- */
.avatar {
  flex: none; display: grid; place-items: center; border-radius: 50%;
  background: linear-gradient(140deg, #1d4f80, #2ec4b6); color: var(--text);
  font: 700 18px/1 var(--font-display); overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.speakers { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.speaker { text-align: left; display: flex; flex-direction: column; gap: 12px; }
.speaker .avatar { width: 64px; height: 64px; }
.speaker-name { font-weight: 600; line-height: 1.25; }
.speaker-pos { color: var(--muted); font-size: 13px; margin-top: 4px; }

/* --- маршрут и инфо --- */
.address { font: 600 18px/1.3 var(--font); margin-top: 4px; }
.venue-name { color: var(--muted); font-size: 14px; }
.route-list { display: grid; gap: 10px; }
.route-item { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; }
.route-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); }
.route-icon svg { width: 20px; height: 20px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.route-title { font-weight: 600; }
.route-text { color: var(--muted); margin-top: 3px; font-size: 14px; }
.scheme { width: 100%; display: block; border-radius: var(--r-md); border: 1px solid var(--line); }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.row + .row { border-top: 1px solid var(--line); margin-top: 12px; padding-top: 12px; }
.row-label { font-size: 13px; color: var(--muted); }
.row-value { font-weight: 500; margin-top: 2px; word-break: break-word; }
.icon-btn { flex: none; padding: 8px 12px; border-radius: var(--r-sm); background: var(--surface-2); font-size: 13px; font-weight: 500; }
.faq details + details { border-top: 1px solid var(--line); }
.faq summary { list-style: none; padding: 14px 0; font-weight: 500; display: flex; justify-content: space-between; gap: 12px; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 20px; line-height: 1; transition: transform 0.2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--muted); padding-bottom: 14px; }
.material { display: flex; justify-content: space-between; align-items: center; }
.material + .material { margin-top: 8px; }

/* --- нижнее меню --- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  display: grid; grid-template-columns: repeat(5, 1fr);
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(7, 19, 40, 0.94); backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
.tab { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--faint); font-size: 11px; font-weight: 500; transition: color 0.2s; }
.tab svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tab.is-active { color: var(--accent); }

/* --- карточка спикера (шторка) --- */
.sheet { position: fixed; inset: 0; z-index: 20; }
.sheet-backdrop { position: absolute; inset: 0; background: rgba(3, 9, 20, 0.6); animation: fadein 0.25s; }
@keyframes fadein { from { opacity: 0; } }
.sheet-body {
  position: absolute; left: 0; right: 0; bottom: 0; max-height: 85vh; overflow-y: auto;
  background: var(--surface); border-radius: var(--r-lg) var(--r-lg) 0 0;
  padding: 10px var(--gutter) calc(24px + env(safe-area-inset-bottom));
  animation: up 0.35s var(--ease);
}
@keyframes up { from { transform: translateY(100%); } }
.sheet-grip { width: 40px; height: 4px; border-radius: 4px; background: var(--line); margin: 0 auto 18px; }
.sheet .avatar { width: 88px; height: 88px; font-size: 28px; }
.sheet-name { font: 700 22px/1.2 var(--font-display); margin-top: 16px; }
.sheet-bio { color: var(--muted); margin-top: 14px; }

.toast {
  position: fixed; left: 50%; bottom: calc(var(--tabbar-h) + 18px + env(safe-area-inset-bottom)); z-index: 30;
  transform: translateX(-50%); padding: 10px 16px; border-radius: 99px;
  background: var(--text); color: var(--bg-deep); font-weight: 500; font-size: 14px;
  animation: fade 0.25s var(--ease);
}
.empty { color: var(--muted); text-align: center; padding: 30px 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before { animation: none !important; transition: none !important; }
}